By Direct questions, Nouns

Becomes: It would cost some amount to buy a lot of new clothes. Direct question form: How much would it cost to buy a lot of new clothes? Indirect question (noun phrase) form: how much it would cost to buy a lot of new clothes. He worried about this: how much it would cost to buy a lot of...

Excellent, excellent observation! Good analyses. 1) It would do no harm to use "they" to refer to "clothes". 2) It seems more idiomatic to me to use "preposed it" to refer to an infinitive phrase. 3) It is easy to see that I have already created three sentences in this posting with this...